di·graphic英daɪɡ'reɪfɪk美daɪɡ'reɪfɪkBNC²³⁶²¹³⁺¹ 基本例句 adj.两字一音的¹⁰⁰ This paper presents a digraphic model for the determination of highway line so as to provide a more systematic method for the problems of the determination of highway line. 本文给出一个公路定线的有向图模型,为公路定线问题提供一种较为系统的方法。 dictall